• DocumentCode
    1126983
  • Title

    State Estimation Observability Based on the Null Space of the Measurement Jacobian Matrix

  • Author

    Castillo, E. ; Conejo, Antonio J. ; Pruneda, R.E. ; Solares, C.

  • Volume
    20
  • Issue
    3
  • fYear
    2005
  • Firstpage
    1656
  • Lastpage
    1658
  • Abstract
    This letter describes a new technique for state estimation observability analysis. This technique is computationally efficient and based on calculating the null space of the measurement Jacobian matrix. The technique is illustrated through a clarifying example. Conclusions are duly drawn.
  • Keywords
    Jacobian matrices; observability; power system measurement; power system state estimation; measurement Jacobian matrix; space; state estimation observability; Equations; Jacobian matrices; Linear systems; Null space; Observability; Power measurement; Power system analysis computing; Reactive power; State estimation; Voltage; Null space; observability; state estimation;
  • fLanguage
    English
  • Journal_Title
    Power Systems, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0885-8950
  • Type

    jour

  • DOI
    10.1109/TPWRS.2005.852093
  • Filename
    1490623